| Artikelbeschreibung | Autotransformer 400V 4A / PRIMARY: 400V, secondary: 140V, 170V, 200V, 235V, 270V, 310V, 400V / conventional autotransformers according to čsn EN 61558-2-13 suitable especially for jump control of voltage in switchboards, eg fan speed control. 400V / 140V-400V (1A-15A). 7 voltage tapes CAN be changed as required protection IP20 mounting in switchboards insulation class i input and output terminated by terminal block transformer completely immersed in resin fastening bolts behind the angles contact protection according to VBG 4 |